MAS6503 datasheet(18/34 Pages) MAS

18 / 34 page

DA6503.005

14 December 2016

18 (34)

CONVERSION RESULT REGISTERS (E7…E9HEX)

After measuring external sensor, temperature or

VDD level the 24-bit conversion result is stored into

three

Conversion

result

addresses

E7…E9HEX. The MSB (most significant byte) is at

E7HEX, ISB (intermediate significant byte) at E8HEX

and LSB (least significant byte) at E9HEX.

EEPROM STATUS REGISTER (EA/6AHEX)

The EEPROM status register (EA/6AHEX) indicates

if the stored EEPROM byte is corrupted. The

read command. See table 7 below. The ERROR bit

tells if a data error has been detected (ERROR=1).

The DED bit tells if two or more bit errors have

been detected (DED=1). The EEPROM can correct

internally only single bit errors i.e. when ERROR=1

and DED=0. The read EEPROM data byte is

corrupted if ERROR=DED=1. The six lowest bits

have value 0.

Table 7. MAS6503 EEPROM status register (EA/6AHEX). Only bits (7:6) are used.

Bit Number

Bit Name

Description

Value

Function

ERROR

EEPROM error

detection

No errors

Error detected

DED

EEPROM double

error detection

No errors

2 (or more) data errors

5-0

000000

REGULATOR OUTPUT VOLTAGE CONTROL REGISTERS (EB/6BHEX)

When enabled the internal voltage regulator output

voltage is defined by the Regulator output voltage

control register (EB/6BHEX). In the register only two

most significant bits are in use. See table 8.

Table 8. Regulator output voltage control register (EB/6BHEX)

Bit Number

Bit Name

Description

Value

Function

7-6

REGEB<7:6>

Regulator output

voltage selectors

Regulator output 1.8V

Regulator output 2.2V

Regulator output 2.6V

Regulator output 2.9V

5-0

Not used

XXXXXX

X = Don’t care

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